The only "job" of a princess was to marry whomever the king decreed she should marry (to further land holdings, wealth and power) and then produce at least 'an heir and a spare' (male children).
Castles...?
busboy
masonry
thrones are something that kings,queens,princes,princesses used to sit in to represent that they are roryalty in medieval times.
They were usually farm workers.
medieval jobs
There weren't any types. They were just a princess.
nobles,knights and king's and queen's
They Didn't Have Job, They Took Care Of Children And Cleaned.
Many but mostly mine workers and factory workers
they had jobs like washing clothes,and cooking inside the house for everyone,and working in the yard.
They were born into Royalty, and they rank highest with the King and Queen.